.jfif

JPEG File Interchange Format

Files saved by messaging apps and older Windows software under the .jfif extension.

Familyimage

Owner / standards bodyJoint Photographic Experts Group

Introduced1992

CompressionLossy DCT

Strengths

Identical bytes to standard JPEG
Decoded by every browser
Safe to rename to .jpg

Limitations

Extension confuses upload forms
No transparency
Same generation loss as JPEG

Tools that read or create JFIF

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Image Format Converter

Convert PNG, JPG, WebP, AVIF, HEIC and GIF files directly in your browser.

Related formats

.jpg .jpeg .webp

Frequently asked questions

Is JFIF the best format?

No format is universally best. The answer depends on compatibility, quality, file size, editing workflow and whether the content needs transparency, subtitles, multiple tracks or streaming.

Can AIMP6 convert JFIF?

Yes, Image Format Converter can work with this format or a closely related export.